File:The Last of the Spirits-John Leech, 1843.jpg|right|175px|thumb|The Ghost of Christmas Yet to Come shows Ebenezer Scrooge|Scrooge his future in Charles Dickens|Dickens' ''A Christmas Carol''.
The '''future''' is what will happen in the time
after the present
. Its arrival is considered wikt:inevitable|inevitable
due to the existence of time
and the laws of physics
. Due to the apparent nature of reality
and the unavoidability of the future, everything that currently exists and will wikt:exist|exist
can be categorized as either permanent, meaning that it will exist forever, or temporary, meaning that it will end. The future and the concept of eternity
have been major subjects of philosophy
, and science
, and defining them non-controversially has consistently eluded the greatest of minds.
[Hastings, J., Selbie, J. A., & Gray, L. H. (1908).... ]